A mother presents with severe bleeding 3 weeks after delivery. What is the most likely cause?

JIPMER Nursing Officer-2024

Obstetrics & Gynaecology

Easy

Appeared in: JIPMER Nursing Officer-2024

Explanation

The clinical scenario describes bleeding at 3 weeks postpartum, which is defined as secondary postpartum hemorrhage (PPH).
Secondary PPH is any significant bleeding that occurs between 24 hours and 12 weeks after delivery.
The most frequent cause of secondary PPH is retained placental fragments.
These retained tissues interfere with normal uterine involution (the process of the uterus returning to its pre-pregnancy size), preventing the blood vessels at the placental site from closing off, which leads to bleeding.

Option A: Uterine atony is the failure of the uterus to contract sufficiently after birth and is the most common cause of primary PPH, which occurs within the first 24 hours postpartum.
Option C: Uterine rupture is an acute, life-threatening tear in the uterine wall that typically occurs during labor or delivery, not weeks later. It presents with sudden, severe abdominal pain, fetal distress, and maternal shock.
Option D: While an underlying coagulopathy (bleeding disorder) can cause postpartum hemorrhage, it is a much less common cause of secondary PPH compared to retained placental tissue.

Visual 1: Diagram: An illustration comparing a normal involuting uterus with a uterus containing retained placental fragments, highlighting the source of bleeding from the placental site.
Visual 2: Table: A comparative chart detailing the timing, common causes, and typical presentation of Primary vs. Secondary Postpartum Hemorrhage.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Etiology of Secondary Postpartum Hemorrhage (PPH) as background academic context rather than a clinical decision trigger.
Nurses must educate postpartum patients on discharge about the warning signs of secondary PPH, including the return of bright red bleeding after lochia has become lighter, passing large clots, and foul-smelling lochia. Patients should be instructed to seek immediate medical attention if these occur.
A key nursing role is the accurate assessment of postpartum bleeding, including timing, amount (pad count), and character. Differentiating between normal lochia progression and abnormal bleeding is crucial for early intervention.
What if? If the severe bleeding had occurred 2 hours after delivery instead of 3 weeks, the most likely cause would be uterine atony. The first nursing action would be vigorous fundal massage to stimulate uterine contraction, followed by administration of uterotonic medications.

How to Approach the Question

First, identify the most critical piece of information in the question stem: the timing of the bleeding is '3 weeks after delivery'.
Classify the type of postpartum hemorrhage (PPH) based on this timing. Bleeding occurring after the first 24 hours is defined as secondary PPH.
Recall the common causes for both primary PPH (e.g., uterine atony, trauma) and secondary PPH (e.g., retained products, infection).
Evaluate the given options in the context of secondary PPH.
Eliminate options that are primary causes of immediate PPH (Uterine atony) or are acute events during labor (Uterine rupture).
Select the most common cause of secondary PPH from the remaining options, which is retained placenta.

Concept Tested & Keywords

Concept Tested: Etiology of Secondary Postpartum Hemorrhage (PPH)
Stem keywords: severe bleeding, 3 weeks after delivery, postpartum
Lead-in keywords: most likely cause
Clinical cues: The timing of bleeding, '3 weeks after delivery', is the critical clue that points to secondary PPH rather than primary PPH.

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